TM-9-2350-311-20-2

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS

DECEMBER 1993
TM-9-2350-311-20-2

  TM-9-2350-311-20-2 - Page 62 of 828

TM 9–2350–311–20–2
2–1
CHAPTER 2
GENERAL CAB MAINTENANCE
GENERAL
The purpose of this chapter is to provide information needed to keep the M109A2/M109A3/M109A4/M109A5 howitzer cab
systems and components in good repair. Section I provides information on tools and repair parts. Section II details actions
which must be taken when the equipment is received and installed. Section III prescribes Preventive Maintenance Checks
and Services (PMCS) for the unit level. Section IV gives general maintenance procedures in a number of areas including
replacing parts, soldering, correct cleaning procedures, painting, and application of adhesives. Section V details actions
that must be taken when the equipment is stored or shipped.
CONTENTS
Page
Section I
REPAIR PARTS, TOOLS, SPECIAL TOOLS, TEST, MEASUREMENT, AND DIAGNOSTIC
EQUIPMENT (TMDE), AND SUPPORT EQUIPMENT
2–1
COMMON TOOLS AND EQUIPMENT
2–2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–2
SPECIAL TOOLS, TMDE, AND SUPPORT EQUIPMENT
2–2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–3
REPAIR PARTS
2–2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section II
SERVICE UPON RECEIPT
2–4
SERVICE UPON RECEIPT OF MATERIEL
2–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–5
ASSEMBLY OF EQUIPMENT
2–10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–6
PRELIMINARY SERVICING AND ADJUSTMENT OF EQUIPMENT
2–14
. . . . . . . . . . . . . . . . . . . . . . . . . .
2–7
DECALS, LABELS, AND INSTRUCTION SIGNS
2–15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section III
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), LUBRICATION
INSTRUCTIONS, AND MANDATORY REPLACEMENT PARTS
2–8
LUBRICATION
2–18
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–9
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
2–21
. . . . . . . . . . . . . . . . . . . . . . . . .
Section IV GENERAL MAINTENANCE PROCEDURES
2–10
DISASSEMBLY AND ASSEMBLY PROCEDURES
2–33
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–11
REPLACEMENT OF PARTS
2–33
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–12
CLEANING
2–34
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–13
INSPECTION
2–36
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–14
GENERAL REPAIR PRACTICES
2–37
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–15
WELDING
2–37
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–16
SOLDERING
2–38
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–17
APPLICATION OF ADHESIVES
2–39
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–18
EXERCISING HYDRAULIC COMPONENTS
2–40
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section V
PREPARATION FOR STORAGE OR SHIPMENT
2–19
GENERAL
2–40
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–20
PRELIMINARY REQUIREMENTS
2–41
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–21
RECEIPT FOR STORAGE
2–41
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–22
SECURITY
2–41
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–23
STORAGE SITE
2–42
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


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